Flame-retardant and fireproofing material for new energy automotive power battery and preparation method thereof

A new energy vehicle and power battery technology, which is applied in the field of flame retardant and fireproof materials for new energy vehicle power batteries and its preparation, can solve the problems of oxidation resistance, solvent resistance, UV aging resistance, poor weather resistance, damage caused by high-energy radiation, Insufficient high temperature rigidity and other problems, to achieve the effect of good mechanical properties, excellent flame retardant effect, and excellent flame retardant effect

Active Publication Date: 2019-02-01
山西都润新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its base material is traditional polypropylene, which has poor oxidation resistance, solvent resistance, UV aging resistance, and weather resistance, and is also vulnerable to damage by high-energy radiation. In addition, the high-temperature rigidity is insufficient, and the added flame retardant contains halogen. There are still pollution problems to the environment. Secondly, the addition of various additives will cause extravasation during long-term use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for preparing a flame-retardant and fire-resistant material for a power battery of a new energy vehicle, comprising the steps of:

[0032] Ⅰ Preparation of main chain phenylsilane adamantane polyphenylene ether prepolymer: 18g of bis(4-bromophenyl)diphenylsilane, 4,4′-(1,3-adamantanediyl)diphenol Add 10g and 4g of sodium hydroxide to a three-necked flask connected with a water separator, add 100g of dimethyl sulfoxide and 30g of toluene, heat the reaction system to 110°C, stir and react for 6 hours under nitrogen protection, and remove it through the water separator For the water and toluene generated during the reaction, after removing all the water, slowly raise the reaction temperature to 130°C, and continue to stir for 4 hours. After the reaction, cool the reaction system to room temperature and precipitate in water. The precipitated prepolymer is washed with ethanol washing for 3 times, and then rotary evaporation to remove the solvent to obtain the main c...

Embodiment 2

[0038] A method for preparing a flame-retardant and fire-resistant material for a power battery of a new energy vehicle, comprising the steps of:

[0039] Ⅰ Preparation of main chain phenylsilane adamantane polyphenylene ether prepolymer: 18g of bis(4-bromophenyl)diphenylsilane, 4,4′-(1,3-adamantanediyl)diphenol Add 10g and 4.5g of cesium carbonate to a three-neck flask connected to a water separator, add 110g of N,N-dimethylformamide and 35g of toluene, heat the reaction system to 112°C, and stir for 6.5 hours under the protection of helium , remove the water and toluene generated in the reaction process through the water separator, after removing all the water, slowly raise the reaction temperature to 132 ° C, continue to stir the reaction for 4.2 hours, after the reaction, cool the reaction system to room temperature, precipitate in water, and precipitate The prepolymer was washed 4 times with ethanol, and the solvent was removed by rotary evaporation to obtain the main cha...

Embodiment 3

[0045] A method for preparing a flame-retardant and fire-resistant material for a power battery of a new energy vehicle, comprising the steps of:

[0046] Ⅰ Preparation of main chain phenylsilane adamantane polyphenylene ether prepolymer: 18g of bis(4-bromophenyl)diphenylsilane, 4,4′-(1,3-adamantanediyl)diphenol Add 10g of sodium carbonate and 5g of sodium carbonate into a three-necked flask connected with a water separator, add 125g of N-methylpyrrolidone and 40g of toluene, heat the reaction system to 116°C, stir and react for 7 hours under the protection of neon gas, and pass through the water separator Remove the water and toluene generated during the reaction. After removing all the water, slowly raise the reaction temperature to 136°C and continue to stir the reaction for 4.6 hours. After the reaction, cool the reaction system to room temperature and precipitate in water. Use the precipitated prepolymer Washing with ethanol for 5 times, and then rotating and evaporating ...

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PUM

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Abstract

The invention discloses a preparation method of a flame-retardant and fireproofing material for a new energy automotive power battery, wherein the preparation method includes the following steps: (1)preparation of a main-chain phenylsilane adamantane polyphenyl ether prepolymer; (2) preparation of a phosphorus-containing polycondensation polymer; (3) preparation of Al-Si-O; and (4) moulding. Theinvention also discloses the flame-retardant and fireproofing material for the new energy automobile power battery, wherein the flame-retardant and fireproofing material is prepared according to the preparation method of the flame-retardant and fireproofing material for the new energy automobile power battery. The flame-retardant and fireproofing material for the new energy automotive power battery has the advantages of low cost, antioxidant performance, solvent resistance, ultraviolet aging resistance, radiation resistance, good weather resistance, good mechanical properties and excellent flame-retardant effect.

Description

technical field [0001] The invention relates to the technical field of new energy vehicles, in particular to a flame-retardant and fireproof material for a power battery of a new energy vehicle and a preparation method thereof. Background technique [0002] In recent years, with the development of the economy and the advancement of the global industrialization process, environmental and energy issues have become increasingly severe, posing a serious threat to human health and survival. The mass popularity of automobiles is one of the root causes of these problems. In order to solve these problems and make the earth we live on clearer, greener, bluer, and richer in resources, new energy vehicles have attracted people's attention, especially It is an electric vehicle, its driving is safe and environmentally friendly, and its energy utilization rate is high. [0003] Electric vehicles are vehicles driven by electricity, and power batteries are one of the key components of elec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L71/12C08K3/34C08K3/32C08G65/48
CPCC08G65/485C08K3/32C08K3/34C08K5/42C08K13/02C08L2201/02C08L2201/08C08L2203/20C08L71/126
Inventor 周妍蕾邓颖
Owner 山西都润新材料科技有限公司
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